Abstract
The technique of real-time digital speckle pattern interferometry is proposed to study diffusion of surfactants in hydrogel. The diffusion coefficient is simply and directly determined from the interferograms. An example of diffusion coefficient measurement of surfactant in agarose gel demonstrates the usefulness of the method. The results obtained are compared with the theoretical simulating values.
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Project Supported by National Natural Science Foundation of China (No. 29904007), Zhejiang Provincial Natural Science Foundation of China (No. 699031), and SRF for ROCS, SEM, China
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Zhou, Jf., Han, Y., Zhang, Xm. et al. Digital speckle pattern interferometric measurement of diffusion coefficients in hydrogels. J. Zhejiang Univ. Sci. A 4, 166–169 (2003). https://doi.org/10.1631/jzus.2003.0166
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DOI: https://doi.org/10.1631/jzus.2003.0166